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Geological knowledge base establishing method based on numerical simulation

A technology for numerical simulation and establishment of methods, applied in the field of geological knowledge base establishment based on numerical simulation, can solve the problems of high research cost, high experimental difficulty, low repetition rate, etc. Effect

Active Publication Date: 2019-07-16
CHINA PETROLEUM & CHEM CORP +2
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Problems solved by technology

[0008] The purpose of the present invention is to provide a method for establishing a geological knowledge base based on numerical simulation, which is used to solve the problems of high research cost, low repetition rate and difficult experiment in the prior art

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  • Geological knowledge base establishing method based on numerical simulation
  • Geological knowledge base establishing method based on numerical simulation
  • Geological knowledge base establishing method based on numerical simulation

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Embodiment Construction

[0034] The specific embodiments of the present invention will be further described below in conjunction with the accompanying drawings.

[0035] An embodiment of a method for establishing a geological knowledge base based on numerical simulation of the present invention:

[0036] Step 1: The present invention takes the target layer—Wen 79 fault block as an example, based on the sedimentary dynamics characteristics of the sedimentary sand body in the research area of ​​the Wen 79 fault block, conducts sedimentological investigation and research to determine the structural geology of the sedimentary sand body in the target layer of the research area The above-mentioned structural geological characteristics include landform and structural evolution. The research and analysis obtained hydrodynamic control factors, such as flow, flow velocity, depositional topography, water level fluctuations, and physical characteristics of sediments, such as composition ratio, particle size, etc....

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Abstract

The invention relates to a geological knowledge base establishing method based on numerical simulation. The method includes: according to a mathematical equation and a boundary condition of hydrodynamics, superposing the deposition amount and the denudation amount which are obtained by simulating the hydrodynamic process and the sediment transmission process; obtaining a new sedimentary model, comparing and analyzing a simulation result and geological parameters of a target layer, performing geological dissection on the simulation result when the comparison and analysis results are consistent,extracting the geological parameters, and summarizing a geological phenomenon and a distribution rule of geological data, thereby establishing a corresponding geological knowledge base. Therefore, the material cost is saved, the constraint condition required by geologists to construct the geological model can be met, and the problem that the cost is high when a sedimentary physics simulation experiment is carried out through modern sedimentary investigation is effectively solved.

Description

technical field [0001] The invention belongs to the technical field of oil and gas exploration and development, and in particular relates to a method for establishing a geological knowledge base based on numerical simulation. Background technique [0002] The geological knowledge base is an important constraint for constructing a fine geological model, which determines the quality and application of the geological model. Therefore, choosing an appropriate method to establish a geological knowledge base has important research significance in reservoir research. [0003] At present, the common methods of knowledge base construction and acquisition are generally through outcrop, dense well pattern anatomy or modern sedimentary investigation as the classic way of acquiring knowledge base parameters, and are used in the quantitative analysis and application of reservoir characteristics and heterogeneity at home and abroad. [0004] Outcrop dissection is mainly through detailed d...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F16/29G06F17/50G06Q50/02
CPCG06Q50/02G06F30/20G06F16/29
Inventor 李中超熊运斌刘云华罗波波毛洪超尹楠鑫尹太举宋亚开
Owner CHINA PETROLEUM & CHEM CORP
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